> python -m venv env
Python
source env/Scripts/activate
source : The term 'source' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At line:1 char:1 ...

python -m pip install graphene
Python

Hallo,

ich kann leider nicht pip install ausführen, auf meinem Desktop.
Ich habe auch --upgrade ausgeführt.

pip install graphene
pip : The term 'pip' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the
spelling of the name, or if a path was included ...